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Lexmark C734dn Service Manual

Lexmark C734dn
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2-38 Service Manual
5026
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111.xx, 112.xx, 113.xx, and 114.xx—Printhead error service check
Step Questions / actions Yes No
1 View the Event Log:
1. Turn off the printer, press and hold and
. and turn on the printer
2. Select EVENT LOG, and press
Select ().
3. Select Display Log, and press
Select ().
Has an 111.xx,112.xx, 113.xx, or 114.xx error
occurred three times or more?
Replace the printhead. See
“Printhead removal,
installation, and
adjustment” on
page 4-135.
Go to step 2.
2
Turn the printer off, and then remove the rear
frame cover. See “Rear frame cover
removal” on page 4-33. Check the cable in
connector JPH1 (A) (5 V interlock switch
cable) for proper connection to the system
board, the cable for pinch points, and the
cable or connector for any other damage.
Is the cable damaged?
Replace the 5 V interlock
switch. See “5 V interlock
switch cable removal” on
page 4-45.
Go to step 3.
3
Measure the resistance across fuse F13 (A)
on the system board.
Is the fuse blown?
Replace the system board.
See “System board
removal” on page 4-153.
Go to step 4.
4
Perform the printhead verification to check
whether the new printhead solves the
problem. See “Printhead verification” on
page 3-35.
Perform the Servo Laser Test. See “Servo
Laser Test on page 3-18.
Did the printhead motor pass the test?
Replace the printhead. See
“Printhead removal,
installation, and
adjustment” on
page 4-135.
Replace the system board.
See “System board
removal” on page 4-153.
1
JSB1
JBIN1
JFAN1
JFUSER1
JBOR1
JHVPS1
JMIRR1
JBLW1JBLW1
JCVR1
JLVPS2
JCARTP1
JCARTS1
JCARTS2
JCARTP2
JDVR1
JTPS1
JOPT1
JFDS1
JINT1
JFDPCK1JTRAY1JSEC1
JDX1
JT12
J5
JDIMM1
JOPP1
JT1
JUSB1
JBOOT1
JFMUSB1
J49
JTWF1
JTDBUG1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
JTLBT1
JPH1
F5
F6
F7
F9
F10
F12
F13
F14
1
1
J10
1
1
A
1
JSB1
JBIN1
JFAN1
JFUSER1JFUSER1
JBOR1
JHVPS1
JMIRR1
JBLW1
JCVR1JCVR1
JLVPS2
JCARTP1
JCARTS1
JCARTS2
JCARTP2
JDVR1
JTPS1
JOPT1
JFDS1
JINT1
JFDPCK1JFDPCK1JTRAY1JSEC1
JDX1
JT12
J5
JDIMM1
JOPP1
JT1
JUSB1
JBOOT1
JFMUSB1JFMUSB1
J49
JTWF1
JTDBUG1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
JTLBT1
JPH1
F5
F6
F7
F9
F10
F12
F13
F14
1
1
J10
1
1
A

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Lexmark C734dn Specifications

General IconGeneral
BrandLexmark
ModelC734dn
CategoryPrinter
LanguageEnglish

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